4
AssignmentFill in the Blanks

Introduction to Confidence Intervals

Question 4 • CA-Statistics and Probability B

A city library selects a random sample of 1,250 of its patrons and finds that the 90% confidence interval for the proportion of those who have read an e-book in the previous 12 months is (0.71, 0.75). Calculate the point estimate and margin of error for the given confidence interval. Enter both values to 2 decimal places. The point estimate = . The margin of error = .

Answer
Part 1:

0.73

Part 2:

0.02

Previous
Next